@font-face {
    font-family: "pingfangheavy";
    src: url('pingfangheavy.ttf');
    font-weight: normal;
    font-style: normal;
  }
@font-face {
font-family: "pingfangRegular";
src: url('pingfangRegular.ttf');
font-weight: normal;
font-style: normal;
}